###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_EnumerateProperties Enumerate the properties on a set of properties. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_properties.h) ## Syntax ```c int SDL_EnumerateProperties(SDL_PropertiesID props, SDL_EnumeratePropertiesCallback callback, void *userdata); ``` ## Function Parameters | | | | ---------------- | -------------------------------------- | | **props** | the properties to query | | **callback** | the function to call for each property | | **userdata** | a pointer that is passed to `callback` | ## Return Value Returns 0 on success or a negative error code on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks The callback function is called for each property on the set of properties. The properties are locked during enumeration. ## Thread Safety It is safe to call this function from any thread. ## Version This function is available since SDL 3.0.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryProperties](CategoryProperties)